Great St Lawrence Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at —.
Days 1–4 Weather SummaryModerate rain (total 11mm), heaviest on Sat morning. Icy conditions (max 10°C on Fri night, min -2°C on Sat night). Winds decreasing (gales from the S on Sat morning, light winds from the W by Sun morning). | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Sun night. Icy conditions (max 6°C on Sun night, min -4°C on Wed afternoon). Winds decreasing (near gales from the WNW on Tue morning, light winds from the N by Wed afternoon). | Days 8–10 Weather SummaryA moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 2°C on Fri night, min -5°C on Wed night). Winds increasing (calm on Fri morning, strong winds from the NE by Sat morning). | Days 11–13 Weather SummaryMostly dry. Freeze-thaw conditions (max 1°C on Sat night, min -5°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tue 30 | |||||||||||||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 7:32PM1.52m | 8:02AM1.99m | 8:17PM1.54m | 8:46AM2.01m | 8:57PM1.56m | 9:28AM2.02m | 9:35PM1.59m | 10:07AM2.02m | 10:11PM1.63m | 10:43AM2.00m | 10:48PM1.66m | 11:20AM1.97m | 11:29PM1.70m | 11:57AM1.92m | 00:15AM1.74m | 12:39PM1.85m | 1:11AM1.80m | 1:27PM1.78m | 2:14AM1.87m | 2:21PM1.72m | 3:17AM1.96m | 3:18PM1.67m | 4:16AM2.06m | 4:17PM1.65m | ||||||||||||
Low Tide | 1:06AM0.66m | 1:59PM0.76m | 1:41AM0.63m | 2:35PM0.72m | 2:15AM0.62m | 3:12PM0.70m | 2:49AM0.62m | 3:50PM0.67m | 3:27AM0.63m | 4:30PM0.65m | 4:09AM0.66m | 5:11PM0.64m | 4:57AM0.71m | 5:53PM0.62m | 5:52AM0.75m | 6:36PM0.60m | 6:53AM0.79m | 7:22PM0.59m | 7:58AM0.82m | 8:14PM0.58m | 9:11AM0.82m | 9:14PM0.58m | 10:26AM0.80m | |||||||||||||
SW 10 | SW 7 | SW 8 | S 8 | SSW 11 | SSW 12 | SSW 12 | SW 12 | SSW 11 | S 8 | SSW 8 | SSW 9 | SW 9 | W 7 | W 7 | WSW 9 | SW 8 | SSW 8 | SSW 8 | S 12 | S 10 | S 10 | SSE 9 | SSE 9 | ESE 6 | S 11 | SSW 11 | SSW 11 | SSW 10 | S 10 | S 9 | S 9 | SSW 8 | SSW 8 | WSW 6 | SE 11 | |
 |  |  |  |  |  |  | |  |  | | | | | | | | | | | | |  | |  | | | | | | | | | | | | |
clear | clear | some clouds | cloudy | mod rain | rain shwrs | some clouds | some clouds | cloudy | rain shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | light snow | cloudy | light snow | light snow | some clouds | cloudy | cloudy | cloudy | some clouds | clear | clear | some clouds | some clouds | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | 10 | 1 | — | — | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 1 | 4 | 7 | 10 | 10 | 4 | -1 | 0 | 2 | 6 | 0 | 0 | -1 | -3 | -2 | -3 | -3 | -3 | -4 | -4 | -3 | -3 | 1 | 0 | 2 | 1 | 1 | 1 | -1 | -1 | -2 | -3 | -3 | -4 | -3 | -3 |
Moonrise | — | 7:58 | — | — | 8:50 | — | — | 9:32 | — | — | 10:05 | — | — | 10:31 | — | — | 10:52 | — | — | 11:10 | — | — | 11:27 | — | — | 11:43 | — | — | 12:01 | — | — | 12:22 | — | — | 12:49 | — |
Moonset | — | — | 3:34 | — | — | 4:29 | — | — | 5:34 | — | — | 6:44 | — | — | 7:56 | — | — | — | 9:09 | — | — | 10:22 | — | — | 11:35 | — | — | — | 12:51 | — | — | 2:10 | — | — | 3:33 | — |
 | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — |
 | — | — | 4:23 | — | — | 4:23 | — | — | 4:24 | — | — | 4:24 | — | — | 4:25 | — | — | 4:25 | — | — | 4:27 | — | — | 4:28 | — | — | 4:29 | — | — | 4:29 | — | — | 4:30 | — | — | 4:30 |
Today's sea temperature in Great St Lawrence is 3.8° C (Statistics for 18 Dec 1981-2005 – mean: 3.2 max: 5.5 min: 1.5°C) | ||||||||||||||||||||||||||||||||||||
Nearest